Buckle



FIG. 1 is a perspective view of a buckle showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a plan view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is sectional view taken along line 8—8 in FIG. 2. 

The ornamental design for a buckle, as shown and described. 